In city x four hundred people were asked if they used umbrellas frequently. in city y four hundred people were asked the same question. what total percent should be listed in the column of people who said yes?
a- 38%
b-45%
c-55%
d-90%
see attachement below.
also, i do know that the answer cannot be but i still do need ..

Find the commission on a $590.00 sale if the commission is 15%.

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?